Home / 19,117.54-28,675.71-5,266.42

Finding the Fourth Proportional to 19,117.54, 28,675.71 and 5,266.42

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Solution

The fourth proportional to 19,117.54, 28,675.71 and 5,266.42 is: 7,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.54 : 28,675.71 = 5,266.42 : x
  2. Step 2: Convert to fraction form
    19,117.54/28,675.71 = 5,266.42/x
  3. Step 3: Cross multiply
    19,117.54x = 28,675.71 × 5,266.42
  4. Step 4: Simplify right side
    19,117.54x = 151,018,332.66
  5. Step 5: Solve for x
    x = 151,018,332.66/19,117.54
  6. Step 6: Final answer
    x = 7,899.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.